/**************************************************************************
 *
 * Copyright (C) 2007 University of California, Los Angeles.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *************************************************************************/

/**
 * 
 */
package edu.ucla.cs.typecast.rmi;

import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;

import edu.ucla.cs.typecast.net.TransportContext;
import edu.ucla.cs.typecast.net.TypeCastDispatcher;

/**
 *
 * @date Sep 20, 2007
 */
public class WeakReferencedTypeCastDispatcher implements TypeCastDispatcher {
	private WeakReference<TypeCastDispatcher> dispatcherReference; 

	public WeakReferencedTypeCastDispatcher(TypeCastDispatcher dispatcher) { 
		dispatcherReference = new WeakReference<TypeCastDispatcher>(dispatcher); 
	}
	
	/* (non-Javadoc)
	 * @see edu.ucla.cs.typecast.net.TypeCastDispatcher#dispatch(edu.ucla.cs.typecast.net.TransportContext, java.io.InputStream)
	 */
	public void dispatch(TransportContext transportContext,
			InputStream inputStream) throws IOException {
		TypeCastDispatcher dispatcher = dispatcherReference.get(); 
		if (dispatcher != null) { 
			dispatcher.dispatch(transportContext, inputStream); 
			
		}

	}

}
